63results about How to "Reduce equipment investment" patented technology

The invention discloses a hot-air drying machine capable of utilizing waste heat and achieving penetrating countercurrent fluidization. The upper portion of a drying tower is connected with an induced draft fan, and the induced draft fan is connected with a cyclone dust removing waste heat efficient recoverer formed by a tube-type heat exchanger and a cyclone dust collector in an overlapped manner in the tangent direction and then is emptied; the air inlet end of the shell side of the tube-type heat exchanger is communicated with the atmosphere, and the air outlet end of the shell side of the tube-type heat exchanger is connected with the lower portion of the drying tower through an air blower and a steam finned heater; and an impeller of the induced draft fan is of a structure that blades are in a hollow and wedged shape, and the contour line of the appearance of the induced draft fan is an involute. According to the hot-air drying machine capable of utilizing the waste heat and achieving the penetrating countercurrent fluidization, creative integration is conducted on waste heat utilization and dust removal, the cyclone dust removing waste heat efficient recoverer is designed out, the equipment input is reduced, and the work efficiency is improved; and due to the fact that sieve mesh cone covers, sieve mesh cone discs, discharging tubes, a stretching vibration transmission shaft and conical plugs are arranged, penetrating, countercurrent, boiling and fluidization drying of materials are exquisitely and perfectly achieved, more energy is saved, the drying quality is higher, the power consumption of the induced draft fan is lower, and the application prospect is wider.

The invention discloses a method for liquefying natural gas by the refrigeration cycle of a single stage mixed refrigerant, which comprises the following steps: raw natural gas passes through a heat exchanger in an ice chest to exchange heat with the mixed refrigerant, and is cooled and liquefied; wherein, in sequence, the mixed refrigerant is first pressurized by a compressor, cooled by a cooler, directly enters the heat exchanger to be precooled without gas-liquid separation, goes out of the heat exchanger for depressurization and temperature reduction and then returns to the heat exchanger to exchange the heat of the natural gas and liquefy the natural gas, as well as is vaporized to gaseous mixed refrigerant and returns to the compressor for the next cycle; by reducing the outlet pressure of the compressor, or boosting the position of the outlet cooler of the compressor or using a way that the mixed refrigerant goes in and out of the ice chest both from the lower part, the method solves the problem of two phase flow of gas and liquid; can reduce the investment of the equipment such as a gas-liquid separator, a pump and the like, simplify the cycle process and operation control and reduce the manufacture cost as well. The invention also discloses a device applied to the method.

The invention provides a coal mine underground coal remining and extracting method, comprising: laneway disposing, mining, coal dropping, and adopting the processes of coal loading, coal conveying and timbering by a coal loading, coal conveying and anchor rod timbering mechanical integrated device and recovering from two wings, where the laneway disposing divides several segments in a mining section and disposes two preparing laneways in each segment, one as air inlet lane and the other as air return lane, after all coal in the previous segment has been mined, the air inlet lane of the previous segment can act as an air return lane for the next segment, and the next segment is made with only one air return lane, it disposes a strip house pillar in the middle of the two preparing laneways, arranges mining house, mining pillar and remains coal pillars, and determines the sizes of the mining house and mining pillar according to the characteristics of the top plate, and implements mine underground mechanical mining, makes medium-sized and small-sized mines whose 'resources have dried up' implement remining, and makes coal pillars and corner coal recovered in large-sized and medium-sized mines and makes the coal extraction ratio up to 50%-70%.

The invention discloses a simple and easy method for recycling positive material of a waste lithium iron phosphate battery, and the method can be used for the industrial production. The method comprises the following steps: firstly, carrying out total discharge (0.05V) on the waste lithium iron phosphate battery, then mechanically disassembling the battery in a fume hood and screening a positive plate; and placing the positive material into water to carry out ultrasonic stirring, sieving out an aluminium foil, drying the residual solution and material, carrying out ball milling, carrying out elemental analysis, matching the obtained material with a novel raw material and carrying out sintering to obtain the lithium iron phosphate positive material with superior performances. The method has the significance that according to the simple method for recycling the lithium iron phosphate positive material which can be used for the industrial production, the positive material with the superior performances can be obtained by utilizing additives in wastes, such as acetylene black and the like, without carrying out the pretreatment.

The invention relates to a vacuum distillation process for extracting silver from silver zinc slag, characterized by comprising the process flow of reduction smelting, vacuum distillation, extraction of gold and silver and bismuth refining for desilverization. The invention has the advantages of simple process, little equipment investment, no loss of silver, zinc, bismuth and led, high recovery rate of rare valuable metals, low cost, no pollution of the extracting process, and provides a new smelting process for the silver zinc slag.

The invention belongs to the field of fuse plug, and in particular relates to a multilayer SMD fuse and a preparation method thereof. The multi-layer SMD fuse consists of a ceramic substrate, a back electrode, face electrodes, fuse wires, protective layers and a metal end head, wherein the fuse wires are multilayer, fuse wires of adjacent layers are connected end to end, two end heads of connected fuse wires are connected with the face electrodes on two sides of the substrate respectively, and each layer of fuse wire is provided with a protective layer. When the fuse is prepared, except the uppermost protective layer, each protective layer does not cover the tail end of the fuse wire, so that the multilayer fuse wires are connected end to end to form a cascaded structure. Compared with the prior art, the invention has the advantages of simpler procedure, smaller equipment input, shorter production period and lower cost.

The invention discloses a method for separating a water-soluble component from a liposoluble component by virtue of a subcritical liquid-liquid extraction technology, which belongs to the field of biological extraction. The novel extraction and separation technology comprises the following steps: putting a pretreated mixed material into an extraction pot; in the airtight, anaerobic and low-pressure extraction pot, according to the similarity-intermiscibility principle of organic matters, transferring the liposoluble component from a liquid material into an extraction solvent through a molecular diffusion process in the soaking of the liquid material and the extraction solvent, thereby separating the liposoluble component from the water-soluble component; performing standing for layering, thereby completely separating the water-soluble component in the liquid material from the liposoluble component; and finally removing solvents from the two components through pressure reducing evaporation, thereby respectively obtaining the water-soluble component and the liposoluble component. The method is simple in technology, low in equipment investment, suitable to large-scale production, low in extraction temperature, high in product separation degree and free of solvent residues; since the solvents are recyclable, no pollution is caused; the method has a broad application prospect.

The invention provides a process for machining a flywheel cover for a diesel engine. The process includes the following steps of rough milling machine body connecting faces, rough lathing flywheel edges and flywheel edge faces, conducting positioning through the flywheel edges, machining the machine body connecting faces, conducting positioning through machine body face positioning pin holes, and machining the edge faces and the peripheral size on a vertical rotating working table. The process has the advantages that the defects that in a traditional machining process, device and personnel input is large and production cost is high are overcome; meanwhile, capital investment for purchasing devices of a production line is further reduced, and invested capital in the early stage of production is reduced.

The invention discloses an extracting method for L-alanine. The method comprises the following steps: adding a first flocculating agent, a second flocculating agent and a third flocculating agent into L-alanine fermentation liquor to perform flocculating, putting the L-alanine fermentation liquor subjected to stirring and sedimentation treatment into vacuum rotary-drum filter equipment to perform separating, thereby obtaining a flocculating clarifying solution; crystallizing the flocculating clarifying solution; and drying obtained crystal to obtain the L-alanine. The method provided by the invention adopts the flocculating and sedimentation method to remove impurities such as thallus, proteins, phosphate and sugar residues in the fermentation liquor, so that processes of precipitating calcium salts, removing impurities through a film and the like in the prior art are omitted, and therefore, the extracting process is greatly simplified, equipment investment is reduced and product quality is improved. Crystallization mother liquor and crystal-washing residual water are recycled into a cycle of flocculating, discoloring, concentrating and drying. The extracting method avoids material loss, reduces environment protection pressure, increases the yield, and is energy-saving and environmentally friendly.

The invention provides a method for preparing polyperfluorinated ethylene propylene from a perfluorodiacyl peroxide initiator, belonging to the technical field of fluorine chemical industry. The method is characterized by comprising the following steps: displacing with nitrogen gas to vacuumize a reaction kettle; adding de-ionized water, then introducing excessive perfluorinated propylene monomers, and raising the temperature to 0-60 DEG C; then directly adding a perfluorodiacyl peroxide initiator, and introducing tetrafluoroethylene monomers; after the inside of the kettle reaches 0.5-1.5 MPa, stirring, and continuously introducing tetrafluoroethylene monomers into the reaction kettle; after the reaction pressure is maintained for 2-8 hours, discharging to obtain a polyperfluorinated ethylene propylene copolymer; and finally heating in a constant-temperature cabinet to remove the residual perfluorodiacyl peroxide. The terminal group of the prepared polyperfluorinated ethylene propylene is stable perfluorodiacyl, thereby having no need for the processing stage of end group stabilization later, simplifying the process flow, reducing the equipment investment, lowering the production cost and improving the production efficiency. Besides, the whole polymerization system is a solvent-free system, thereby having no problems of solvent recovery, pollution of solvent to the environment and the like.

The invention discloses a method for preparing high-purity fidaxomicin. Specifically, the method comprises the step of preparing the high-purity fidaxomicin by using resin chromatography and crystallization technologies. The method has the advantages that common ordinary-pressure columns are used in twice column chromatography and medium pressure is not used for preparing the chromatography, so that the previous equipment investment of the product is greatly decreased, the equipment requirement is low and the production cost is effectively reduced; the fidaxomicin is purified by using the resin adsorption and crystallization technologies, so that the operation method is simple, the yield and the purity are greatly improved, the total yield is 50-60%, and the purity is above 99%; and therefore, the method is more suitable for industrial production.

The invention discloses a double-mode intelligent vision sensing system architecture, which is characterized in that: the signal output/input end of a double-mode intelligent camera is correspondingly connected with the first signal input/output end of a broadband transmission network, the second signal input/output end of the broadband transmission network is correspondingly connected with the first signal output/input end of an application management server, and the second signal output/input end of the application management server is correspondingly connected with the signal input/output end of an application client. The architecture has the advantages that: an intelligent video processing server is saved; the task of the module is placed at the front end of the camera, so the advanced intelligent processing function is realized, the early equipment investment is saved, and the equipment maintenance cost and the system operating cost are reduced; real-time video analysis result-based image capture and automatic target tracking of real-time cradle head control are realized; parameters such as camera sensitization, illumination, contrast and the like of main body conditions serving as targets are automatically adjusted; and the imaging quality is higher, and the analysis result is more accurate.

The invention discloses a hoisting vehicle and method for replacing of long and heavy parts of a high-speed railway turnout. The hoisting vehicle comprises a rail vehicle body, a fixed portal frame flat vehicle body and a moveable portal frame flat vehicle body which are connected end to end through hooks. The method for replacing of the long and heavy parts of the high-speed railway turnout comprises the following steps that 1, the new long and heavy parts of the high-speed railway turnout are hoisted and fixed; 2, the fixed portal frame flat vehicle body and the moveable portal frame flat vehicle body are unfolded and fixed; 3, the used long and heavy parts of the high-speed railway turnout are hoisted and fixed; 4, the new long and heavy parts of the high-speed railway turnout replace the used long and heavy parts of the high-speed railway turnout; and 5, the fixed portal frame flat vehicle body and the moveable portal frame flat vehicle body are folded. The hoisting vehicle and method have the advantages that according to the mechanical device designed special for the long and heavy parts of the high-speed railway turnout, the current defect of secondary hoisting of the new and used long and heavy parts of the high-speed railway turnout is overcome, and thus the site operation time is saved greatly. In the safety aspect, the operation range of the equipment is below that of a lifting beam, so that the hidden danger that the equipment collides a contact net is avoided. In the aspect of comparing the equipment cost, the equipment investment of the newly-proposed method is quite low, and thus popularization is easy.

The invention discloses a water emulsification process of an alkyd resin coating. The coating is generated by proportionally mixing and stirring four or more substances in alkyd resins (high viscosity), an emulsifying agent, distilled water, sulfates, 200# solvent oil, n-butanol and isobutanol according to the following steps: throwing the distilled water and the sulfates into a head tank with stirring according to the proportion and stirring and dissolving the substances for later use; throwing the alkyd resins and the emulsifying agent into an emulsifying kettle, dropwise adding water solution from the head tank when the stirring linear speed is more than 6m/s and controlling the dropwise adding time between 30 minutes and 90 minutes; and stirring and emulsifying the substances for 40-80 minutes at high speed after dropwise adding and using the solvent oil and/or an alcohol solvent to adjust the viscosity. The process has the following characteristics that the water emulsion replaces part of organic solvents and has stable properties, thus reducing the VOC (volatile organic compounds) of the alkyd resin coating, without affecting the properties of the coating; the VOC can be reduced by 10-30% at most and the product reaches the national standard; and the needed equipment investment is low and the water-in-oil alkyd resin emulsion has good stability.

The invention discloses a stone-plastic composite board extrusion molding process which comprises: mixing 60% to 70% of modified waste mineral powder, 20% to 25% of PVC (polyvinyl chloride) resin powder, 0 to 1% of stearic acid, 1% to 2% of paraffin, 3% to 6% of PVC calcium-zinc composite stabilizer, 1% to 3% of acrylic resin and 1% to 3% of chlorinated polyethylene, and preparing to obtain a PVCcompound material through a PVC compound material applicable to extrusion molding; adding the PVC compound material into a double-screw extruder by a quantitative feeding system, adopting four-stage temperature control, and extruding at a high temperature; enabling die head position static mixers to adopt four-stage temperature control, carrying out vacuum sizing by 2 to 4 serial die heads on a vacuum sizing table, and then carrying out processes of water cooling, air drying, crawling traction, cutting and the like to form a stone-plastic composite board. The stone-plastic composite board extrusion molding process disclosed by the invention is low in equipment investment, low in energy consumption and low in pollution, has the advantages of PVC plasticizing uniformity, difficulty in decomposition, high production efficiency, low defective rate, long screw service life and the like, and provides a matured and reliable extrusion molding process for the stone-plastic composite board.

The invention discloses a dismounting device of a selenium drum powder cabin. The dismounting device comprises a base platform, a displacement plate connected to the surface of the base platform, a lifting device connected to the side of the base platform, and a cutting gun fixed on the lifting device, wherein the displacement plate comprises a vertical displacement plate and a horizontal displacement plate, the vertical displacement plate and the top surface of the base platform are vertically connected in a sliding manner, the horizontal displacement plate and the top surface of the vertical displacement plate are horizontally connected in a sliding manner, and a fixing plate for fixing the selenium drum powder cabin is arranged on the top surface of the horizontal displacement plate. For the dismounting device, the investment of equipment is little, and the application range is wide; the dismounted powder cabin is the whole blocks to be in favor of recycling and regenerating; the operation is convenient, the pressure and the heating conditions are not related, and the operation is safer.

The invention discloses a sewage treatment device. The sewage treatment device sequentially comprises a filtering box, a stirring box and a treatment box from left to right, wherein the filtering box,the stirring box and the treatment box are connected in a penetrating way; a water intake pipe is arranged at the bottom part of one side of the stirring box; a water drain pipe is arranged at the top part of one side of the treatment box; the top part of one side of the filtering box is communicated with the bottom part of one side of the stirring box through a pipeline I; the top part of one side of the stirring box is communicated with the bottom part of one side of the treatment box through a pipeline II; a plurality of stages of filtering nets are arranged in the filtering box and between the water intake pipe and the pipeline I; a stirrer is arranged in the stirring box; an activated carbon adsorption plate is arranged at the inside wall of the stirring box; a biological filler is arranged in the treatment box; slag discharge doors are respectively arranged at the bottom parts of the filtering box, the stirring box and the treatment box. The sewage treatment device can solve theproblems of the sewage treatment system that the structure is complicated, the equipment investment is high, the treatment effect is poor, the treatment efficiency is low, and the blockage is easy due to impurities in the sewage.

The invention relates to a corrosion process of a low-voltage hard high-specific capacitance aluminum electrode foil and belongs to the technical field of aluminum foil manufacturing. According to the corrosion process, a constant-current fixed-frequency power source of the PWM control technology is adopted to provide electrochemical corrosion powder; the corrosion course of the low-voltage aluminum electrode foil is completed in three steps under different process conditions, namely point-distribution corrosion, deep hole-expanding corrosion and new hole corrosion; after the aluminum foil is corroded for three times, the low-voltage corroded electrode foil high in specific capacitance and excellent in property can be obtained; the corrosion volume of the electrode foil per square centimeter is within 10mg and the specific capacitance of the electrode foil is above 75 microfarads/cm<2>.

The invention discloses high-efficiency bridge equipment which comprises a base frame and rope winding components uniformly distributed on the end surface at the top of the base frame; vertical arms are fixedly mounted at the bottom of the base frame; an universal wheel is mounted at the bottom of each of the vertical arms in a rolling manner; a driving cavity stretching towards the front side is arranged in the base frame at the position below each of the rope winding components; a first hollow cavity stretching in the left-right direction is formed in the rear side of each of the driving cavities in a communicating manner; a second hollow cavity is formed in the base frame at the position on the front side of each of the first hollow cavities; a partition plate is arranged between each of the first hollow cavities and the corresponding second hollow cavity; a guide and transfer groove is formed in the inner top of the front side of each of the first hollow cavities; and a first sliding frame extending downwards is arranged in each of the guide and transfer grooves. The high-efficiency bridge equipment has the benefits as follows: the structure is simple, the installation of a plurality of rope drums can be realized, each of the rope drums does not need to be replaced with a new one after the completion of rope winding, both time and labor are saved, and the efficiency is improved; besides, a driving device does not need to be additionally arranged, so that the manufacturing cost is reduced, and the enterprise procurement cost is further reduced.

The invention discloses a surface zirconization treatment process before car body coating. The treatment process comprises the steps of sequentially carrying out hot water washing, pre-degreasing, main degreasing, water washing before zirconidation, zirconization treatment and water washing after the zirconization on workpiece, wherein the hot water washing, the pre-degreasing and the main degreasing are all carried out at the temperature of 45-55 DEG C and during the zirconization treatment, the pH value of the zirconization solution is controlled to be 4-5, the content of F<-> is 20-70ppm and the zirconization treatment is carried out for 150-180s at the temperature of 25-45 DEGC C. The process disclosed by the invention has the characteristics of being simple in process, low in initialinvestment and easy to control and has the advantages that no environmental pollution sources such as phosphorus, nickel, nitrite and the like is contained and the problems of high slag content, highenergy consumption, pollution and the like are solved.

The invention relates to a single-phase capacitive voltage division electronic voltage transformer which comprises a shell, a base, a support, intermediate electrodes, an insulating support, a high-voltage electrode, a junction box, a disc insulator, an explosion-proof device, an upper shielding ring, a lower shielding ring and a grounding electrode. The shell is fixedly arranged on the base, the insulating support is fixedly arranged on the base, the grounding electrode is fixedly arranged on the insulating support, the disc insulator is fixedly arranged on the shell, the high-voltage electrode is connected with the disc insulator and is arranged in inner cavities of the intermediate electrodes, and the intermediate electrodes, the upper shielding ring and the lower shielding ring are respectively fixedly arranged on the grounding electrode. The single-phase capacitive voltage division electronic voltage transformer has the advantages that as the intermediate electrodes, the upper shielding ring, the lower shielding ring and the shell are made of aluminum alloy materials with low expansion coefficients, fluctuation of detected data due to expansion of the materials is reduced; and the high-voltage electrode is of an arc-shaped cylindrical structure, ports of the intermediate electrodes and ports of the upper and lower shielding rings are in arc-shaped transition, and accordingly point discharge is reduced.

The invention discloses a solution and straightening method for titanium alloy boards, and belongs to the technical field of preparation of titanium alloy. The method comprises the process steps of arranging a lower base plate to bear the titanium alloy boards, arranging an upper base plate to balance pressure of a pressing machine, then conducting edge trimming and overlapped assembly on the boards, then putting the boards into an annealing furnace for solution treatment and heat treatment, and finally, utilizing the pressing machine for straightening. The key point of the solution and straightening method lies in that the solution, ageing and annealing temperature and time of the titanium alloy boards and acting force of the pressing machine are controlled, in this way, vertically-downward pressure is applied to the titanium alloy boards in the cooling process, and then the boards are straightened online in the cooling process. The input for process equipment is small, solution and press-straightening of the boards can be achieved simply through a conventional heating furnace, the annealing furnace and the pressing machine, the overall cost is low, the flow is simple and convenient, the application range is wide, and industrialized application of the process can be achieved in most factories.

The invention provides a method for preparing gypsum dry-mixed mortar through slag frying gypsum. Hot slag discharged form a gangue power plant is directly used for mixed frying of flue gas desulfurization gypsum in a slag frying machine; then a mixture is subject to refining and shaping in a ball mill and is then screened to prepare gypsum powder and slag sand; and an assistant is added to be subject to burdening mixing to prepare the gypsum dry-mixed mortar. According to the method, the flue gas desulfurization gypsum is fried through waste heat of the hot slag, the process for singly calcining the flue gas desulfurization gypsum is omitted, energy sources and investment for calcining equipment are saved, the production process is simple, the preparing cost is low, a new efficient resource utilization way is provided for the power plant slag and the flue gas desulfurization gypsum, and the double effects of environmental protection and waste utilizing are achieved.

The invention discloses a method of synthesizing sec-butyl acetate, which includes the steps of: a) a multi-section reaction step, in which a reaction is carried out completely to an inputted mixture containing acetic acid and C4 fractions in a multi-section adiabatic fixed bed reactor under the effect of a catalyst, and a reaction product is outputted; b) a temperature and pressure control step, in which the reaction product is fed into a temperature and pressure control apparatus to control the vaporization fraction of the reaction product through pressure and further control temperature increase of the reaction, when the reaction product reaches a preset temperature in the temperature and pressure control apparatus, a vaporization reaction is carried out and reaction heat is absorbed, wherein the reaction product is separated to form a vapor product and a liquid product, and the gas pressure is regulated according to the preset pressure value by means of the temperature and pressure control apparatus to discharge the vapor product while the liquid product is fed into the next section of the multi-section adiabatic fixed bed reactor and is continuously reacted with the C4 fraction completely; and c) a fraction separation step, in which the vapor product and the liquid product are received by a fraction separation column to separate the fractions, thereby synthesizing the sec-butyl acetate. The invention also discloses an apparatus of synthesizing the sec-butyl acetate.

The invention discloses a new type gas emulsion supersonic contrast agent and preparing method, which is characterized by the following: choosing phosphatide, carbowax derivant and Bolusham as raw material; choosing the coating gas as water-insoluble gas with bioavailability; adding the raw material into equal liquid penetration; dispersing completely; proceeding supersonic vibrate or mechanical cutting; getting the product. This invention possesses low cost, simple preparation and good stability.

The invention discloses a method for preparing a powder material by polymer solvent removal. The method comprises the following steps: carrying out spray drying on a polymer colloidal liquid by superheated steam, sending the polymer powder on the bottom of a drying tower into a cyclone separator to remove the solvent and steam, sending the powder into a fluidized-bed dryer to perform drying until the water content of the polymer powder material is 0.5 wt% or below, finally, sending the powder into a product storage bin, packaging in the packaging machine position, and warehousing. The method is simple in technique, and implements the solvent removal and the powder material drying and preparation. The water content of the finally obtained polymer powder is 0.5 wt% or below, the solvent content is less than 0.5 wt%, and the particle size range is 5-100 mu m. The method is suitable for producing multiple products, has the advantages of wide applicability and low energy consumption, further enhances the quality of the product, and has better comprehensive economic effects.

The invention relates to system and method for providing television finance and economics integration business. The system comprises a financial image-text content editing terminal and a server thereof, a data managing terminal and a server thereof, a television program storage and management terminal and a server thereof, a user and business management terminal and a server thereof, a digital cable television direct transmission signal front end, a digital cable television duplexing set top box and a digital television. In the system, finance and economics information on an internet and a cable television network is integrated effectively and is displayed on a user television terminal, and a television user can check finance and economics images, texts and data and select video programs by the cable duplexing set top box. The system and the method are characterized by being capable of realizing interaction business of finance and economics video programs, finance and economics data, finance and economics image-text information and the like at a digital television terminal.

The invention discloses a control system of a continuous rolling mill, which comprises an I/O tank (2), a continuous rolling mill unit (4) and a data line (5); the system also comprises a remote control terminal (1) and a receiving/transmitting device (6); the remote control terminal (1) transmits signals to the receiving/transmitting device (6) by a wireless transmission line; the receiving/transmitting device (6) processes and converts the signals and then transmits the signals to the I/O tank (2); and the I/O tank (2) transmits the control signals to each function block of the continuous rolling mill unit (4), thus realizing the remote control on site. As wireless transmission is adopted, the on-site operation desk and the cables between the operation desk and the I/O tank (2) in the traditional operation system are removed, the equipment investment is reduced and the workshop area is saved.

The invention discloses a method for quickly suppressing activity of an acidic trehalose lytic enzyme in a beer yeast cell, belonging to the technical fields of fine and further processing of agricultural and sideline products and comprehensive utilization of byproducts of the agricultural and sideline products, particularly relating to a method for suppressing the activity of the acidic trehalose lytic enzyme in the beer yeast cell by using a high-voltage pulsed electric field technology. In the method, a high-voltage pulsed electric field device is used, electrodes with both proper length and diameter are selected and used; electric field strength and frequency in the high-voltage pulsed electric field device are controlled to be within proper ranges; and beer yeast cell suspension with proper concentration and proper pH value is pumped to the electrodes of the high-voltage pulsed electric field device at a certain constant flow speed for stream processing and then is collected in a finished product tank. The technical preparation method comprises the following steps of: preparing the beer yeast cell suspension; regulating acidity of the suspension; adjusting and controlling parameters of the high-voltage pulsed electric field; and adjusting and controlling constant flow pumping speed of the suspension. The method has the advantages that: the suppression ratio of the activity of the acidic trehalose lytic enzyme in the beer yeast cell reaches over 95 percent within 60 microseconds; a technical support is provided for production technology research of quick trehalose extraction; and a certain foundation can be laid for comprehensive development for changing waste beer yeast mud into things of value.

The invention relates to a dual-purpose boiling furnace system for drying a water clarifying agent. The dual-purpose boiling furnace system is provided with a boiling furnace, a fuel feeding opening, an air inlet and a smoke outlet are formed in the boiling furnace, and the smoke outlet is provided with an a-channel smoke treatment system and a b-channel smoke treatment system; the a-channel smoke treatment system is sequentially connected with a dirt catcher and an induced draft fan a in series through a settling chamber by means of pipes and then connected to a spraying drying tower a; the b-channel smoke treatment system is sequentially connected with a bag collector and an induced draft fan b in series through an air heat exchanger by means of pipes and then connected to a chimney; a bypass pipe is arranged on the pipe between the induced draft fan b and the chimney, a backflow draught fan is arranged on the bypass pipe, and the tail end of the bypass pipe is connected with the spraying drying tower a of the a-channel smoke treatment system; and an inlet of a heat exchange pipe in the air heat exchanger is sequentially connected with an air filter and an air blower in series, and an outlet of the heat exchange pipe is connected with a spraying drying tower b. The dual-purpose boiling furnace system is simple in structure, the boiling furnace is provided with two smoke channels, the flow is adjusted through a flue shutter, heating can be carried out simultaneously, and heating through one channel can also be carried out; and the boiling furnace has two purposes, the investment is saved, and the smoke using rate is improved.